how to get the key for a value in a dictionary in python
# function to return key for any value
def get_key(val):
for key, value in my_dict.items():
if val == value:
return key
return "key doesn't exist"
# Driver Code
my_dict ={"java":100, "python":112, "c":11}
print(get_key(100))
print(get_key(11))python check if key exists
# You can use 'in' on a dictionary to check if a key exists
d = {"key1": 10, "key2": 23}
"key1" in d
# Output:
# Truepython check if key exists
d = {"apples": 1, "banannas": 4}
# Preferably use .keys() when searching for a key
if "apples" in d.keys():
print(d["apples"])find a key in a dictionary python
# How to find a key / check if a key is in a dict
# Easiest way
fruits = {'apple': 2, 'pear': 5, 'strawberry': 3}
if 'apple' in fruits:
print("Key found!")
else:
print("Key not found!")python how to check if a dictionary key exists
if word in data:
return data[word]
else:
return "The word doesn't exist. Please double check it."Copyright © 2021 Codeinu
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